Heavy weight capability and Durability made the wheel casters like the VXB004100PHB a must use, get your do it yourself object move around. And rolling on wheel that has 100mm diameter/3.937" inch. The thickness of the wheel is 30mm or 1.181" inch. The caster dimensions heightwise is 130mm/5.118" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and holes distance of 45mm x 72mm. Low drag was achieved by a Phenolic and 0-250ºC core on a Phenolic and 0-250ºC tire spinning freely with a Double ball bearing. Bearing in mind that every caster wheel has the load capacity of 198 lb with a Swivel and Upper Brake type. Temperature range is -40 to 180 F. Buy our VXB004100PHB, we wish all the best.